Make homepage warm_up delayed to after setup

inc/Engine/Activation/Activation.php

@@ -103,6 +103,9 @@ public static function activate_plugin() {
 			]
 		);
 
+		// Signify to rocket_upgrader that we are on a fresh activation.
+		set_transient('rocket_fresh_activation', true, MINUTE_IN_SECONDS);
+
 		/**
 		 * Fires after WP Rocket is activated
 		 */

inc/Engine/Media/AboveTheFold/Activation/Activation.php

@@ -37,7 +37,7 @@ public function __construct( Controller $controller, ContextInterface $context )
 	 * Add actions on activation.
 	 */
 	public function activate() {
-		add_action( 'rocket_after_activation', [ $this, 'warm_up' ] );
+		add_action( 'rocket_after_activation_and_setup', [ $this, 'warm_up' ] );
 	}
 
 	/**

inc/Engine/Media/ImageDimensions/Subscriber.php

@@ -43,6 +43,7 @@ public function __construct( ImageDimensions $dimensions, Tests $buffer_tests )
 	 * @return array
 	 */
 	public static function get_subscribed_events() {
+		error_log("Registering events for start_image_dimensions_buffer");
 		return [
 			'rocket_buffer'                           => [ 'specify_image_dimensions', 17 ],
 			'template_redirect'                       => [ 'start_image_dimensions_buffer', 3 ],

inc/admin/upgrader.php

@@ -38,6 +38,12 @@ function rocket_upgrader() {
 		update_option( WP_ROCKET_SLUG, $options );
 	}
 
+	// If we just completed an activation
+	if ( get_transient('rocket_fresh_activation') ) {
+		delete_transient('rocket_fresh_activation');
+		do_action('rocket_after_activation_and_setup');
+	}
+
 	$page = isset( $_GET['page'] ) ? sanitize_key( $_GET['page'] ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended
 
 	if (